Improper Input Validation in Joomla! Affects Usergroup Table
CVE-2020-11890

5.3MEDIUM

Key Information:

Vendor

Joomla
Status
Joomla\!
Vendor
CVE Published:
21 April 2020

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-11890?

A security issue found in Joomla! versions preceding 3.9.17 involves improper input validation in the usergroup table class. This flaw may lead to misconfigured Access Control Lists (ACL), potentially allowing unauthorized access to sensitive data or functions within the application. Proper input validation measures are essential to prevent this vulnerability and ensure the integrity of user permissions.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-11890
Created by HoangKien1020

References

https://developer.joomla.org/security-centre/810-20200402...
x_refsource_MISC

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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